| San Marino to Jeffersontown (Kentucky) | 1,827.53 mi (2,941.12 km) |
| San Marino to Jeffersonville (Indiana) | 1,820.18 mi (2,929.30 km) |
| San Marino to Jenison (Michigan) | 1,834.64 mi (2,952.57 km) |
| San Marino to Jenks (Oklahoma) | 1,256.10 mi (2,021.50 km) |
| San Marino to Jennings (Missouri) | 1,574.17 mi (2,533.39 km) |
| San Marino to Jensen Beach (Florida) | 2,286.43 mi (3,679.65 km) |
| San Marino to Jericho (New York) | 2,460.67 mi (3,960.07 km) |
| San Marino to Jerome (Idaho) | 624.83 mi (1,005.57 km) |
| San Marino to Jersey City (New Jersey) | 2,433.47 mi (3,916.29 km) |
| San Marino to Jessup (Maryland) | 2,297.97 mi (3,698.23 km) |
| San Marino to Johns Creek (Georgia) | 1,931.56 mi (3,108.54 km) |
| San Marino to Johnson City (New York) | 2,331.89 mi (3,752.82 km) |
| San Marino to Johnson City (Tennessee) | 2,011.04 mi (3,236.45 km) |
| San Marino to Johnston (Iowa) | 1,422.65 mi (2,289.53 km) |
| San Marino to Johnstown (Colorado) | 841.03 mi (1,353.50 km) |
